FR2189963B3 - - Google Patents

Info

Publication number
FR2189963B3
FR2189963B3 FR7320841A FR7320841A FR2189963B3 FR 2189963 B3 FR2189963 B3 FR 2189963B3 FR 7320841 A FR7320841 A FR 7320841A FR 7320841 A FR7320841 A FR 7320841A FR 2189963 B3 FR2189963 B3 FR 2189963B3
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7320841A
Other languages
French (fr)
Other versions
FR2189963A1 (pt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZENTRALLABORATORIUM RUNDFUNK
Original Assignee
ZENTRALLABORATORIUM RUNDFUNK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZENTRALLABORATORIUM RUNDFUNK filed Critical ZENTRALLABORATORIUM RUNDFUNK
Publication of FR2189963A1 publication Critical patent/FR2189963A1/fr
Application granted granted Critical
Publication of FR2189963B3 publication Critical patent/FR2189963B3/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
FR7320841A 1972-06-15 1973-06-07 Expired FR2189963B3 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD16370972A DD97531A1 (pt) 1972-06-15 1972-06-15

Publications (2)

Publication Number Publication Date
FR2189963A1 FR2189963A1 (pt) 1974-01-25
FR2189963B3 true FR2189963B3 (pt) 1976-05-28

Family

ID=5487014

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7320841A Expired FR2189963B3 (pt) 1972-06-15 1973-06-07

Country Status (3)

Country Link
DD (1) DD97531A1 (pt)
DE (1) DE2314932A1 (pt)
FR (1) FR2189963B3 (pt)

Also Published As

Publication number Publication date
DD97531A1 (pt) 1973-05-14
DE2314932A1 (de) 1973-12-20
FR2189963A1 (pt) 1974-01-25

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Legal Events

Date Code Title Description
ST Notification of lapse